Hourly Weather Forecast for Oceanside, California

Hourly Weather | Today › Sunday, October 25, 2026

Active Weather Warnings

Coastal Flood Warning

Oceanside, California

6 AM

54°

Feels Like 54°

Humidity: 100%

UV Index: 0

Wind: 4 mph

7 AM

55°

Feels Like 55°

Humidity: 100%

UV Index: 0

Wind: 2 mph

8 AM

57°

Feels Like 61°

Humidity: 87%

UV Index: 0

Wind: 4 mph

9 AM

61°

Feels Like 64°

Humidity: 85%

UV Index: 1

Wind: 4 mph

10 AM

66°

Feels Like 70°

Humidity: 72%

UV Index: 2

Wind: 5 mph

11 AM

73°

Feels Like 77°

Humidity: 56%

UV Index: 3

Wind: 5 mph

12 PM

75°

Feels Like 79°

Humidity: 52%

UV Index: 4

Wind: 8 mph

1 PM

77°

Feels Like 79°

Humidity: 52%

UV Index: 4

Wind: 10 mph

2 PM

79°

Feels Like 79°

Humidity: 51%

UV Index: 4

Wind: 10 mph

3 PM

77°

Feels Like 77°

Humidity: 55%

UV Index: 3

Wind: 12 mph

4 PM

75°

Feels Like 75°

Humidity: 57%

UV Index: 2

Wind: 12 mph

5 PM

75°

Feels Like 73°

Humidity: 61%

UV Index: 1

Wind: 10 mph

6 PM

72°

Feels Like 70°

Humidity: 71%

UV Index: 0

Wind: 7 mph

7 PM

70°

Feels Like 66°

Humidity: 80%

UV Index: 0

Wind: 5 mph

8 PM

66°

Feels Like 64°

Humidity: 87%

UV Index: 0

Wind: 4 mph

9 PM

64°

Feels Like 64°

Humidity: 93%

UV Index: 0

Wind: 4 mph

10 PM

63°

Feels Like 63°

Humidity: 95%

UV Index: 0

Wind: 4 mph

11 PM

61°

Feels Like 61°

Humidity: 93%

UV Index: 0

Wind: 4 mph

Hourly Air Quality Forecast - AQI (US EPA)

6 AM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.65 µg/m³
PM₁₀: 13.59 µg/m³
O₃: 0.053 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 AM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 7.98 µg/m³
PM₁₀: 13.91 µg/m³
O₃: 0.052 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 AM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.39 µg/m³
PM₁₀: 14.38 µg/m³
O₃: 0.052 ppm
NO₂: 0.4 ppb
SO₂: 0.3 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 AM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.05 µg/m³
PM₁₀: 15.23 µg/m³
O₃: 0.052 ppm
NO₂: 0.5 ppb
SO₂: 0.4 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

10 AM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.8 µg/m³
PM₁₀: 16.39 µg/m³
O₃: 0.053 ppm
NO₂: 0.5 ppb
SO₂: 0.4 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

11 AM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 10.38 µg/m³
PM₁₀: 17.66 µg/m³
O₃: 0.053 ppm
NO₂: 0.4 ppb
SO₂: 0.4 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

12 PM

50 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 10.4 µg/m³
PM₁₀: 18.48 µg/m³
O₃: 0.054 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

1 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 10.12 µg/m³
PM₁₀: 18.95 µg/m³
O₃: 0.053 ppm
NO₂: 0.2 ppb
SO₂: 0.3 ppb
CO: 0.14 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

2 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.79 µg/m³
PM₁₀: 19.2 µg/m³
O₃: 0.053 ppm
NO₂: 0.2 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

3 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.26 µg/m³
PM₁₀: 18.85 µg/m³
O₃: 0.053 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

4 PM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.81 µg/m³
PM₁₀: 18.38 µg/m³
O₃: 0.052 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

5 PM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.48 µg/m³
PM₁₀: 18.06 µg/m³
O₃: 0.052 ppm
NO₂: 0.2 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

6 PM

48 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.34 µg/m³
PM₁₀: 17.96 µg/m³
O₃: 0.052 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

7 PM

49 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.42 µg/m³
PM₁₀: 18.11 µg/m³
O₃: 0.053 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

8 PM

50 AQI

Good air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 8.75 µg/m³
PM₁₀: 18.56 µg/m³
O₃: 0.054 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

9 PM

53 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.19 µg/m³
PM₁₀: 19.02 µg/m³
O₃: 0.055 ppm
NO₂: 0.3 ppb
SO₂: 0.2 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

10 PM

57 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 9.67 µg/m³
PM₁₀: 19.45 µg/m³
O₃: 0.056 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

11 PM

60 AQI

Moderate air quality Dominant pollutant: O₃

Details

Pollutant Concentrations:

PM_2.5: 10.13 µg/m³
PM₁₀: 19.73 µg/m³
O₃: 0.057 ppm
NO₂: 0.3 ppb
SO₂: 0.3 ppb
CO: 0.13 ppm

Health Recommendations:

Air quality is acceptable; some pollutants may pose a risk for a small number of unusually sensitive people.

Current Real-Time Air Quality Report

Weather Alerts and Warnings for Oceanside

Severe Expected Likely

Coastal Flood Warning

Coastal Flood Warning issued October 25 at 12:59AM PDT until October 29 at 1:00PM PDT by NWS San Diego CA

Oct 25, 5:00 AM → Oct 29, 1:00 PM

WHAT: Significant coastal flooding expected.

WHERE: San Diego County Coastal Areas and Orange County
Coastal Areas.

WHEN: From 5 AM this morning to 1 PM PDT Thursday during high
tides.

IMPACTS: Numerous roads may be closed. Low lying property
including homes, businesses, and some critical infrastructure
will be inundated. Some shoreline erosion will occur in the
morning hours.

ADDITIONAL DETAILS: Coastal residents in the warned area
should be alert for rising water and take appropriate action
to protect life and property. High tides each day will occur
in the morning. Tides may be anywhere from 1 to 1.7 feet above
predicted.

+ Read More

Take the necessary actions to protect flood-prone property. If travel is required, do not drive around barricades or through water of unknown depth.

Updated: Oct 25, 3:59 AM Source: NWS Alert

Hourly Air Quality Forecast - AQI (US EPA)

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Pollutant Concentrations:

Health Recommendations:

Weather Alerts and Warnings for Oceanside

Coastal Flood Warning

Explore U.S. Weather Trends